Wood-mizer LT28 G25 Safety, Operation, Maintenance & Parts Manual
Wood-mizer LT28 G25 Safety, Operation, Maintenance & Parts Manual

Wood-mizer LT28 G25 Safety, Operation, Maintenance & Parts Manual

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LT28 G25 Engine
Safety, Operation, Maintenance
& Parts Manual
Used with the
LT28G25
Safety is our #1 concern! Read and understand
all safety information and instructions before oper-
ating, setting up or maintaining this machine.
rev. A6.15
Form #1353

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Summary of Contents for Wood-mizer LT28 G25

  • Page 1 LT28 G25 Engine Safety, Operation, Maintenance & Parts Manual Used with the LT28G25 rev. A6.15 Safety is our #1 concern! Read and understand all safety information and instructions before oper- ating, setting up or maintaining this machine. Form #1353...
  • Page 2 For more information go to www.P65Warnings.ca.gov/wood. Active Patents assigned to Wood-Mizer, LLC Wood-Mizer, LLC has received patents that protect our inventions which are a result of a dedication to research, innovation, development, and design. Learn more at: woodmizer.com/patents ©2022 Wood-Mizer LLC...
  • Page 3: Table Of Contents

    Table of Contents Section-Page SECTION 1 ABOUT THIS MANUAL SECTION 2 OPERATION Starting The Engine................2-1 SECTION 3 MAINTENANCE Maintenance ...................3-1 Safety......................3-1 Cooling System ..................3-1 Air Filter & Pre-Cleaner .................3-1 Fuel Filter ....................3-2 Battery ....................3-2 RPM Adjustments ..................3-2 Miscellaneous Maintenance ..............3-3 SECTION 4 REPLACEMENT PARTS Fuel Tank....................4-1...
  • Page 4: About This Manual

    SECTION 1 ABOUT THIS MANUAL This manual is provided as a supplement to the equipment manufacturer’s manuals. This manual provides information specific to the use of this equipment on the Wood-Mizer ® sawmill. Refer to the sawmill operator’s manual and manufacturer's manual before attempting to operate this equipment.
  • Page 5: Operation

    Operation Starting The Engine SECTION 2 OPERATION Starting The Engine DANGER! Always be sure the blade is disengaged and clear the path of the blade before starting the engine. Failure to do so will result in serious injury or death. DANGER! Operate your engine/machine only in well ventilated areas.Exhaust gases can cause nausea, delirium and potentially death unless adequate ven-...
  • Page 6: Maintenance

    Maintenance Maintenance SECTION 3 MAINTENANCE Maintenance Refer to the manufacturer’s manual for maintenance intervals and procedures unless otherwise instructed in this manual. Fol- low the manufacturer’s recommendations for dusty conditions. IMPORTANT! This manual only provides information about additional proce- dures or procedures to be performed at different time intervals than found in the manufacturer's manuals.
  • Page 7: Fuel Filter

    Maintenance Fuel Filter Clean the air filter (air cleaner element) and pre-cleaner (element wrapper) every eight hours of operation. Replace the air filter (cleaner) every 200 hours of operation. Replace the pre-cleaner (element wrapper) every 2000 hours of operation. See the engine manual for further instructions. Fuel Filter Replace the fuel filter every 100 hours of operation or as required for engine performance.
  • Page 8: Miscellaneous Maintenance

    Maintenance Miscellaneous Maintenance NOTE: A properly adjusted throttle will extend the cable spring 1/4” to 3/8” (6.4 - 9.5 mm) when running and have a slight amount of slack in the cable when idling. Miscellaneous Maintenance Clean and inspect the spark arresters every 50 hours of operation. Replace if damaged. CAUTION! Do not remove the plug wire to check for electrical spark.
  • Page 9: Replacement Parts

    Replacement Parts Fuel Tank SECTION 4 REPLACEMENT PARTS Fuel Tank LT28Rev. A6.12+ 280061C PART # DESCRIPTION COMMENTS QTY. 103816 TRAY ASSEMBLY, LT28/35 FUEL TANK 103810 Weldment, Fuel Tank Tray 103867 Cover, Fuel Tank 103878 Tank, 5 Gallon Low Pro EPA Fuel 061250 Grommet, Shut Off 061251...
  • Page 10: Lt28Rev. A6.10 - A6.11

    Replacement Parts Fuel Tank Fuel Tank LT28Rev. A6.10 - A6.11 280060 PART # DESCRIPTION COMMENTS QTY. 076479 TRAY ASSEMBLY, LT28 GAS CAN 074643 Tank Assembly, 6 Gallon Gas Service 076478 Tank, Gasoline Available in assemblies only. 015583 Fitting, 1/4” NPT Male Quick Disconnect 015582 Fitting, Female Quick Disconnect Barb P649...
  • Page 11: Fuel Tank (2010+)

    Replacement Parts Fuel Tank (2010+) Fuel Tank (2010+) LT28Rev. A3.00 - A6.09 280060-2 PART # DESCRIPTION COMMENTS QTY. 076479 TRAY ASSEMBLY, LT28 GAS CAN 074643 Tank Assembly, 6 Gallon Gas Service 5 gallon gas can assemblies are available only for customers with sawmills and edgers manu- factured prior to 2010 (See Sec- tion 4.4).
  • Page 12: Fuel Tank (Pre-2010)

    Replacement Parts Fuel Tank (Pre-2010) Fuel Tank (Pre-2010) LT28Rev. A3.00 - A6.09 280048B PART # DESCRIPTION COMMENTS QTY. 049138 TRAY ASSEMBLY, LT28 GAS CAN A12285 Tank Assembly, 5-gallon Red Gasoline Customers with sawmills and edgers manufactured in 2010 and later need to use new EPA approved 3 or 6 gallon gas can assemblies (See Section 4.2).
  • Page 13 Replacement Parts Fuel Tank (Pre-2010) PART # DESCRIPTION COMMENTS QTY. F05007-29 Bolt, 3/8-16 x 2 3/4” Hex Head F05011-3 Washer, 3/8” SAE Flat F05010-10 Nut, 3/8-16 Hex Nylon Lock Replacement Parts WM doc 9/16/22...
  • Page 14: Fuel Tank

    Replacement Parts Fuel Tank Fuel Tank LT28Rev. A1.00 - A2.01 280034 PART # DESCRIPTION COMMENTS QTY. 049138 TRAY ASSEMBLY, LT28 GAS CAN A12285 Tank Assembly, 5-gallon Red Gasoline P12167 Tank, 5-Gallon Red Fuel Available in assemblies only. P12172 Pickup, 9" Fuel P09683 Cap, 3 or 5-Gallon Fuel Tank P12175...
  • Page 15 Replacement Parts Fuel Tank PART # DESCRIPTION COMMENTS QTY. F05007-87 Bolt, 3/8-16 x 1” Hex Head Grade 5 F05011-4 Washer, 3/8” Split Lock F05011-3 Washer, 3/8” SAE Flat Replacement Parts WM doc 9/16/22...
  • Page 16: Engine Assembly

    015993 MANUAL, KOHLER CH25 OWNER’S MANUAL, KOHLER CH25 SERVICE 015994 P12393 COVER, ENGINE 003295 ENGINE ASSEMBLY, LT28 G25 074351 Engine, 25HP Kohler Gas CH740 w/Key 074351 replaces 012832 25Hp Kohler CH25 Spec PA-CH730-0010 Engine (4/14). 016290 Gasket Kit, Kohler CH25 Head...
  • Page 17 Replacement Parts Engine Assembly PART # DESCRIPTION COMMENTS QTY. 061150 Switch, Ignition G18/25 003294 Muffler Assembly, Kohler #24-786-10S 036684 Arrestor, Kohler Spark #24-18901-S 016535 Bushing, 1 7/16” SH 047742 Pulley, 3V5.6 x 2” SH F05011-48 Washer, 7/16” Split Lock F05007-145 Bolt, 7/16-14 x 1”...
  • Page 18: Engine Assembly

    Replacement Parts Engine Assembly Engine Assembly LT28Rev. A1.00 - A4.01 150134 PART # DESCRIPTION COMMENTS QTY. MANUAL, KOHLER CH25 OWNER’S 015993 015994 MANUAL, KOHLER CH25 SERVICE 047740 ENGINE ASSEMBLY, LT15/28 G25 012832 Engine, 25Hp Kohler CH25 Spec PA 68600 012832 Engine changed to Spec PA-CH730-0010 without muffler (2/07).
  • Page 19 Replacement Parts Engine Assembly PART # DESCRIPTION COMMENTS QTY. 016137 Carburetor Kit, Kohler High-Altitude Compen- Kit obsolete 9/01 due to EPA sation #24-755-01 requirements (entire carberator should be replaced). For opera- tion up to 5,000 ft. elevation. Eliminates rough running caused by lean fuel mixture at high altitude.
  • Page 20: Throttle/Clutch Assembly

    Replacement Parts Throttle/Clutch Assembly Throttle/Clutch Assembly 280059-2D PART # DESCRIPTION COMMENTS QTY. BLOCK WELDMENT, LINKAGE CLUTCH/BRAKE 065574 Replaces 049139 to make clutch pivot stop adjustable (Rev. A6.05). T F05012-16 PIN, 3/16” X 1 1/4” ROLL BUSHING, 5/8” ID X 7/8” OD X 1 1/4” LONG FL 016486 BRONZE SHAFT, LT28 THROTTLE...
  • Page 21 Replacement Parts Throttle/Clutch Assembly PART # DESCRIPTION COMMENTS QTY. F05010-31 Nut, 1/2-13 Hex Jam 038777 Nut, 1/2-13 Spring Lock 046975 Spring, .72” OD x .576” ID x 1.25L Compression F05010-127 Nut, 1/2-13 Half Nylon Lock 065874 BRAKE/CLUTCH ASSEMBLY 065873 Arm Weldment, Clutch/Brake F05007-124 Bolt, 3/8-16 x 2 Hex Head Grade 5 F05010-10...

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